CVE-2015-2806

libtasn1: stack overflow in asn1_der_decoding

Severity Score

3.3

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Stack-based buffer overflow in asn1_der_decoding in libtasn1 before 4.4 allows remote attackers to have unspecified impact via unknown vectors.

Desbordamiento de buffer basado en pila en asn1_der_decoding en libtasn1 anterior a 4.4 permite a atacantes remotos tener un impacto no especificado a través de vectores desconocidos.

A stack-based buffer overflow was found in the way libtasn1 decoded certain DER encoded data. An attacker could use this flaw to crash an application using the libtasn1 library.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Attack Vector

Network

Attack Complexity

High

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-03-30 CVE Reserved
2015-04-07 CVE Published
2024-08-06 CVE Updated
2024-11-20 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (19)

URL	Tag	Source
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=4d4f992826a4962790ecd0cce6fbba4a415ce149	X_refsource_confirm
http://www.openwall.com/lists/oss-security/2015/03/29/4	Mailing List
http://www.openwall.com/lists/oss-security/2015/03/31/2	Mailing List
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html	X_refsource_confirm
http://www.securityfocus.com/bid/73436	Vdb Entry
http://www.securitytracker.com/id/1032080	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154741.html	2023-11-07
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154805.html	2023-11-07
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155117.html	2023-11-07
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155270.html	2023-11-07
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155435.html	2023-11-07
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155483.html	2023-11-07
http://www.debian.org/security/2015/dsa-3220	2023-11-07
http://www.mandriva.com/security/advisories?name=MDVSA-2015:193	2023-11-07
http://www.ubuntu.com/usn/USN-2559-1	2023-11-07
https://access.redhat.com/errata/RHSA-2017:1860	2023-11-07
https://security.gentoo.org/glsa/201509-04	2023-11-07
https://access.redhat.com/security/cve/CVE-2015-2806	2017-08-01
https://bugzilla.redhat.com/show_bug.cgi?id=1207192	2017-08-01

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				10.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "10.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				12.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.10"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				20 Search vendor "Fedoraproject" for product "Fedora" and version "20"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				21 Search vendor "Fedoraproject" for product "Fedora" and version "21"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				22 Search vendor "Fedoraproject" for product "Fedora" and version "22"		-		Affected
Gnu Search vendor "Gnu"		Libtasn1 Search vendor "Gnu" for product "Libtasn1"				<= 4.3 Search vendor "Gnu" for product "Libtasn1" and version " <= 4.3"		-		Affected